php 从日期减去 6 小时('g:i a', strtotime($time_date_data));
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subtract 6 hours from date('g:i a', strtotime($time_date_data));
提问by Denoteone
I am using the following code to transform a universal time code into something a little more user friendly.
我正在使用以下代码将通用时间代码转换为对用户更友好的代码。
$meeting_time = date('g:i a', strtotime($time_date_data));
But now I need to subtract 6 hours from meeting_time. Should I do it after the code above or can I work it into the same date function?
但是现在我需要从 meeting_time 中减去 6 小时。我应该在上面的代码之后执行还是可以将其处理到相同的日期函数中?
Something like:
就像是:
$meeting_time = date('g:i a' - 6, strtotime($time_date_data));
回答by danielrsmith
$meeting_time = date('g:i a', strtotime($time_date_data) - 60 * 60 * 6);
String-to-time (strtotime) returns a Unix Time Stamp which is in seconds (since Epoch), so you can simply subtract the 21600 seconds, before converting it back to the specified date format.
String-to-time (strtotime) 返回以秒为单位的 Unix 时间戳(自 Epoch 以来),因此您可以简单地减去 21600 秒,然后再将其转换回指定的日期格式。
回答by kevinji
Try this:
尝试这个:
// 6 hours, 3600 seconds in an hour
$meeting_time = date('g:i a', strtotime($time_date_data) - 6 * 3600);
回答by Repox
Another approach:
另一种方法:
$meeting_time = date('g:i a', strtotime('-6 hours', strtotime($time_date_data)));
回答by Sadee
The way of OO PHP:
OO PHP的方式:
$date = new DateTime(); // current time
echo 'Current: '. $date->format('Y-m-d H:i:s') . "\n";
$date->sub(new DateInterval('PT3H55M10S'));
echo $date->format('Y-m-d H:i:s') . "\n";
For sustract 6 hrs:
对于持续 6 小时:
$date = new DateTime('2017-01-20'); // pass $time_date_data to here
$date->sub(new DateInterval('PT6H'));
回答by Jordan
You should be able to do this:
你应该能够做到这一点:
$meeting_time = date('g:i a', strtotime($time_date_data));
date_add($meeting_time, - date_interval_create_from_date_string('6 hours'));